Torpedo pressure-gage.



M. J. WERNER. TORPEDO PRESSURE GAGE, v APPLICATION -FILI-5D JUNE s', 1914, A

Patented J an', 26, i915,

M. J. WERNER.

TORPBDO PRESSURE GAGE.

APPLICATION/FILED JUNE 6. 191,4.

Llsll, v Patented Ja1.26,1915.

ZSHEETS-SHEET 2,

Eld, 26 i "Il I 'To all lwhom, iit may concern MARTIN rwnunnn, oF MANCHESTER., NEW naiursnrnn.

fron-rune PRESSURE-GAGE speictin of Letters Patent. 1 P'aten'nber J an. j26', 1.915.

Application inea June e, 1914. seriai No. masia` Beg it known that I, MARTIN J. WERNER, a citlzen vof the United' States, residin atA Manchester, in the county of Hillsboro and State of New Hampshire, have inventedscer- Vtain new and useful Improvements in Tor.-

pedo Pressure-Gages, of which the followinis a speciication.

his invention relates to torpedo pressure 'j gages, and'one of the principal objects of .theinvention is toprovide a* pressure gage- .of comparatively simple construction which willireliably. indicate the pressure of air Kupon automobile torpedoes, and which may bev utilized forthe purpose of indicating the pressure of gas or steam whenever desired to be used for the purposes. l

4vThere are many inconveniencesw incident Ato the firing of self-'propelling or automobile torpedoes, or in preparing'them ready for a run, owing to the absence of a permanent pressure gage connected directly to the torpedoA and always ready to indicate the pressure in the air` flash.v indicating accurately'the pressure inthe air flask during 'the' charging, would avoid'rnany serious accidents to' the operator and would also lead to greater accuracy in the run.

This invention is intended as a permanent connection to the torpedo and obviates the present inefficient manner of securlng the exact air pressure.

The objects. and advantages referred to may be attained by means of the'construction illustrated in the accompanying .drawings, in which,

Figure 1 1s a side elevation of one form of. pressure gage made in accordance. with this invention, Fig. 2 is a. view taken at right Lif angles to Fig, 1, Fig. V3 is a-sectional view taken on the line 3-3 of Fig. 1,'looking in the direction indicated by the arrow, Fig. t is a central vertical section. taken through the gage with the springsv shown in .elevation,'Fig. 5 is a top plan view of the gage,

Fig.` 6 is a vertical sectional viewl o-th'e dial and the pinion connected to the pointer, and a casing for said dial, and. Fig.` 7 1s a side elevation of "a gear quadrant. for operatingA the 5 pinion `of fthe indicator hand.

a single `spring is shown in the present instance, it will be understood that-where a gageis requiredfor a greater capacity,a

plurality of springs mounted one within au-l vReferring to the drawings., the numeral 1v designatesa casing for a spring 2,*and'wh1le V Y other, maybe utilized.l Connected lowerend of the casing is 'a threaded cap orf nipple .3 fitted by threads f1 to the lower endv of the casing 1, and an interposed gasket washer 5 is .seated upona shoulderiwithin the cap 3 and the lower end of the casing l.

bears against this gasket. The cap 3 is provided with a reduced portion`7 lthreaded at 8 upon its end, and fitted to said threaded portion 8is'a threaded union 9 to whichis connected a' pipe' 10 which i communicates. .with the main air line oflthe torpedo. The

cap 3 is provided with` a central bore 11, and fitted inthe lower endl of said bore 'is a leather washer 12 which is superposed uponv .a copper countersunk washer 13 having a central-aperture 11 therein, to lform a 're strictedl air passage. v i l A piston rod or stem 15 extends centrally through the casing 1 and is provided with a circularv head 16 which fits nicely within the casing 1, and forms a shoulder upon the upper side for supportingy the spring 2. Said spring may rest upon a washer or col- Vlar 17 supported upon the head 16,A while the opposite end of the spring bears against a similar washer 18 or against a shoulder 19 formed upon a cap or collar 2O connected by threads 21 to the upper end of the casing 1. The collar 20 is provided with a central bore through which the stem or rod 15 extends,

and fitted in the upper end of the collar 2OA is a boss 22 formed uponthe'reduced lower 1,

end of the casing or body portion 23 of the dial or indicator. with a 'dome shaped upper surface 24 which The casing 23 is provided is dat or plain upon the opposite sides theree A gear quadrant l comprising' the upright member 32 and the gear quadrant 33 is provided with a slotted and curved arm 34. The upright 32 is pivotedvat the'polnts 35,

.and the upper end of the piston rod orfstem .15' is 'provided with a rollersv 36 mountedl upon a pin which extends through the slot 37 .in the curved element 34'to reduce the friction at this point. 'The quadrant'gear 33 meshes with the pinion 30, and whenthe piston rod. or stem 15 is forced upward .by

l Awith this invention the pressure against thev tension of the spring 2, the sector gear 33 is moved upon its pivotal point 35 to rotate thev pinion 30 and the hand 31 around the dial 27, as will be readily understood. A suitable. valve a. mav

be mounted in the pipe connection l0 so that the pressure may be cut oif when it is not desired to use the gage or indicator.

From the foregoing it will be obvious that a torpedo pressure gage made in accordance can be readilv connected toIanyl form of torpedo and the desired pressure may be attained for any length ofrun, and thus obviates al tedious and uncertain Yoperation heretofore necessary in determining the pressure in the torpedo.-

It- Will also be obvious that the gage may be made of any suitable capacity to indicate in pounds zero to two thousand and five hundred pounds bv duplicating the springs and mounting the same in substantially themanner referred to hereinbefore.

Various changes may be made 1n the details of construction Without departing from the spirit and scope of the invention as defined in the claim. -1

What is claimed isz-l torpedo pressure gage comprising a casing, a piston rod extending through the casing, a piston lhead on said mounted in the casing. the

a cap connected to lower end ot' the casing into which the piston rod extends. a sector rack connectedl to the upper end of the piston rod, a slotted curved arm connected to said vsector raelnja roller on said piston to engage said slot. a dial support, a dial on said support, a stud shaft extending through said diaha hand on said shaft, and means whereby the move# ment of the spring will impart a rotative movement to the stud shaft for indicating the pressure on the dial.

In testimonv whereof I afiix my signature in presence of two Witnesses.

MARTIN J.V WERNER. Witnesses:

EDWARD T. LAMBERT, CHARLES REED FRANZ.

rod, a spring 3V 

